Correspondence pertaining to Ogden's work as a psychologist, author, and educator and to his membership in various scientific societies. Includes personal and family correspondence; financial records; notes, essays, drafts, reviews, reprints, and printed material on psychology, aesthetics, and philosophy; Cornelliana and student notebooks; photographs; a few small puzzles; accounts of the Mrs. John S. Dorsey estate; and photographs and drawings used in The Psychology of Art. Also, correspondence and essays concerning Andrew Dickson White, his diaries, and the early history of Cornell; and a Civil War mess kit.